1 files changed, 20 insertions, 8 deletions
diff --git a/eng/common/templates/post-build/setup-maestro-vars.yml b/eng/common/templates/post-build/setup-maestro-vars.yml
index b40e0260a3..9de585a94a 100644
--- a/eng/common/templates/post-build/setup-maestro-vars.yml
+++ b/eng/common/templates/post-build/setup-maestro-vars.yml
@@ -16,11 +16,23 @@ jobs:
       inputs:
         targetType: inline
         script: |
-          . "$(Build.SourcesDirectory)/eng/common/tools.ps1"
-             
-          $BarId = Get-Content "$(Build.StagingDirectory)/ReleaseConfigs/BARBuildId.txt" 
-          Write-PipelineSetVariable -Name 'BARBuildId' -Value $BarId
-           
-          $Channels = ""
-          Get-Content "$(Build.StagingDirectory)/ReleaseConfigs/Channels.txt" | ForEach-Object { $Channels += "$_ ," }
-          Write-PipelineSetVariable -Name 'InitialChannels' -Value "$Channels"
+          # This is needed to make Write-PipelineSetVariable works in this context
+          if ($env:BUILD_BUILDNUMBER -ne "" -and $env:BUILD_BUILDNUMBER -ne $null) {
+            $ci = $true
+
+            . "$(Build.SourcesDirectory)/eng/common/tools.ps1"
+              
+            $BarId = Get-Content "$(Build.StagingDirectory)/ReleaseConfigs/BARBuildId.txt" 
+            Write-PipelineSetVariable -Name 'BARBuildId' -Value $BarId
+
+            Write-Host "Asked Write-PipelineSetVariable to create BARBuildId with value '$BarId'"
+
+            $Channels = ""
+            Get-Content "$(Build.StagingDirectory)/ReleaseConfigs/Channels.txt" | ForEach-Object { $Channels += "$_ ," }
+            Write-PipelineSetVariable -Name 'InitialChannels' -Value "$Channels"
+
+            Write-Host "Asked Write-PipelineSetVariable to create InitialChannels with value '$Channels'"
+          }
+          else {
+            Write-Host "This step can only be run in an Azure DevOps CI environment."
+          }